<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        

        @keyframes loader {
            to {
                background-position: -800px 0;
            }
        }

        .loader {
            width: 100px;
            height: 100px;
            background: url(33.jpg) 0 0;
            animation: loader 1s infinite steps(8);
            /* 把文本隐藏起来 */
            text-indent: 200%;
            white-space: nowrap;
            overflow: hidden;
        }
    </style>
</head>

<body>
    <div class="loader">Loading...</div>
</body>

</html>